Title: Tunable Diode Laser Measurements of Broadening Coefficients of Lines in the nu-6 fundamental of 12ch3d
Authors: RESTELLI GiambattistaCAPPELLANI FrancescoLACOME N.
Citation: Applied Optics vol. 26 no. 5 p. 766-768
Publication Year: 1987
JRC N°: JRC4770
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC4770
Type: Articles in Journals
Abstract: THE EVALUATION OF PRESSURE BROADENED LINEWIDTHS OF CH3D DESERVES CONSIDERABLE INTEREST FOR THE STUDY OF THIS MOLECULE IN ATMOSPHERIC SPECTRA AND FOR THE POSSIBILITY OF MAKING ESTIMATES OF D/H RATIO IN PLANETARY ATMOSPHERES. N2-, H2- AND SELF-BROADENING COEFFICIENTS OF TRANSITIONS IN THE NU-6 BAND OF 12#CH3#D AT ABOUT 9.2 MUM HAVE BEEN MEASURED USING TUNABLE DIODE LASER SPECTROMETRY. THE DATA ARE ESTIMATED ACCURATE WITHIN PLUS/MINUS 5 PERCENT. A COMPARISON OF THE OBTAINED VALUES WITH THOSE PREDICTED BY THE EXISTING THEORY SHOWS A DISCREPANCY FAR IN EXCESS OF THE UNCERTAINTY OF THE EXPERIMENTAL MEASUREMENT FOR H2-, N2- AND SELF-BROADENING.
JRC Institute:Joint Research Centre Historical Collection

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